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Optical System
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Rowland off-circle arrangement
Single monochromator
Double beam type
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Light source
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Halogen lamp, Deuterium lamp
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Wavelength range
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190 to 1100 nm
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Wavelength accuracy
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+/-0.2 nm (at 656.1 nm)
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Wavelength repeatability
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+/-0.1 nm
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Spectral bandwidth (SBW)
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1 nm
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Stray light
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1 % (198 nm KCL 12 g/L aqueous solution)
0.02 % (220 nm NaI 10 g/L aqueous solution)
0.02 % (340 nm NaNO2 50 g/L aqueous solution)
0.02 % (370 nm NaNO2 50 g/L aqueous solution)
SBW: 1 nm
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Photometric range
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-3~3 Abs
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Photometric accuracy
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+/-0.0015 Abs (0 to 0.5 Abs)
+/-0.0025 Abs (0.5 to 1 Abs)
+/-0.3 %T Tested
with NIST SRM 930D
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Photometric repeatability
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+/-0.0005 Abs (0 to 0.5 Abs)
+/-0.0005 Abs (0.5 to 1 Abs)
Tested with NIST SRM 930D
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Scanning speed
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10-8000 nm/min
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Slew speed
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24,000 nm/min
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RMS noise
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0.00004 Abs
(0 Abs, wavelength: 500 nm, measurement time: 60 sec, SBW: 1 nm)
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Baseline stability
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0.0004 Abs/hour
(Value obtained more than one hour after turning on the source,
when the room temperature is stabilized, wavelength: 250 nm,
response: slow)
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Baseline flatness
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+/-0.0005 Abs (200 - 1000 nm)
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Detector
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Silicon photodiode
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Standard functions
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IQ accessories, Start button, Analog output
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Standard programs
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Abs/%T meter, Quantitative analysis, Spectrum measurement,
Time course measurement, Fixed wavelength measurement, Validation,
Daily maintenance,
Two wavelength time course measurement
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Dimensions and weight
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486(W) x 441(D) x 216(H) mm, 15 kg
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Power requirements
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120 VA
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Installation requirements
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Room temperature: 15-30 Celsius, humidity: below 85%
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